Home / 696,403,489.24-961,036,782.86-383,130,977.16

Finding the Fourth Proportional to 696,403,489.24, 961,036,782.86 and 383,130,977.16

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Solution

The fourth proportional to 696,403,489.24, 961,036,782.86 and 383,130,977.16 is: 528,720,730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,403,489.24 : 961,036,782.86 = 383,130,977.16 : x
  2. Step 2: Convert to fraction form
    696,403,489.24/961,036,782.86 = 383,130,977.16/x
  3. Step 3: Cross multiply
    696,403,489.24x = 961,036,782.86 × 383,130,977.16
  4. Step 4: Simplify right side
    696,403,489.24x = 368,202,961,703,854,592
  5. Step 5: Solve for x
    x = 368,202,961,703,854,592/696,403,489.24
  6. Step 6: Final answer
    x = 528,720,730.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.